Pizza oven



FIG. 1 is a top, front perspective view of a pizza oven showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front side view thereof;

FIG. 5 is a rear side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in FIGS. 1-5 and 7 depict portions of the pizza oven that form no part of the claimed design. 

CLAIM The ornamental design for a pizza oven, as shown and described. 